Roller-bearing.



No. 7|5,|71; Patentd Dec. 2, 1902.

' A. c. smsou.

ROLLER BEARING.

(Application filed May 17, 1902.)

(No Madal.)

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Unrrsn STATES PATENT @FFECE.

AMOS CLINTON STILSON, OF EAST BRADFORD, PENNSYLVANIA.

ROLLER-BEARING.

SPFGIFICATKON forming part of Letters Patent No. 715, 171, datedDecember 2, 1902. Application filed May 17. 1902. Serial No. 107.746.(No model.)

T0 at whom it may concern:

Be it'known that 1, Aims CLINTON STIL'soN, a citizen of the UnitedStates, residing at East Bradford, in the county ofMcKean and State ofPennsylvania, have invented new and useful Improvements in RollerBearings, of which the following, taken in connection with theaccompanying drawings, is a full, clear, and exact description.

My invention relates to the class of antifriction-roller bearings shownin my former Letters Patent, No. 469,890, dated March 1, l

1892, and No. 567,697, dated September 15, 1896; and the objects of myimprovement are, first, to provide beveled tracks for bevel or taperended rollers, in combination with an idler-gear, that end thrusts maybe prevented, and, second, to so'construct the parts that they may bemade and combined in the simplest and cheapest manner and so that therollers may have relative adjustment to the tracks.

In the drawings, Figure 1 is a perspective view of my roller-bearing.Fig. 2 is a sectional view at line X X in Fig. 1, with the exception ofthe lower roller. Fig. 3 is an elevation of roller with beveled ortapered ends and central gear. Fig. 4 is an end ele vation of thedetached idler-gear rings with rollers in position. Fig. 5 is a sideelevation of the inner tube, which is threaded at one end and hasbeveled track at the other with a central space for the inner idler-gearring.

Similar numerals refer to corresponding parts. Y

The numeral 10 is the outer part of the shell or casin g, which isusually made smooth on the outside and has thread 11 cut on its innerside at one end. The other end of the inner side of part 10 is formedwith a beveled track 13, which forms a conical-shaped opening forthepurpose hereinafter fully set forth. The enlarged end of track 13extends inwardly; The portion 14 is left smooth to receive the idlerspacing-gear ring 15, which ring is revolubly mounted within part 10 onthe portion 14.

Numeral 12 is an adjustable beveled trackring, which has a screw -threadout on its outer side, and its inner surface forms a conical-shapedopening or track similar to track 13. The thread on the out-side of ring12 enters the thread 11, cut on the inner side of part 10, and holdsspacinggear ring 15 in position on one side and with track 13 on theother side.

The numeral 22 is the central part of the shell or casing,whichcorresponds to the in nor side of part 10 in its arrangement. Ithas a central opening 27 for the journal. A thread 11 is cut on theouter side at one end. A beveled cone-shaped track 23 is formed on theopposite end from said thread end. The smaller end of the cone extendsinwardly and the base outwardly. Between the threaded end 11 and track23 is the smooth part 14, on which is revolubly mounted the idlerspacing-gear ring 25.

Numeral 24 is an adjustable cone-shaped traclcring, having its innerside threaded and its outer side to form a cone-shaped track. Said innerthreaded side of ring 24 screws onto threaded end 11 and forms anopposite adjusting-ring to ring 12, the smaller end of the coneextending inwardly.

The numerals 16 16 are my rollers, which I usually make in the followingmanner: A central piece having a cone end 18 and a shaft 20 therefromforms the foundation of the roller. The idler spur-gear 17, out like acommon pinion, is revolubly mounted on shaft 20, next to the base ofcone 18. I usually permanently fasten cone end 19 upon shaft 20 byriveting the end of the shaft, thus holding the geared ring forming therollergear 17in place. A groove 21, as shown in Fig. 3, is cut in theouter edge of the base of cone ends 18 and 19 each side of central gear1'7 for clearance in case of adjustment of the rollers to their tracks.The cone-shaped ends 18 and 19 of the rollers are tapered outwardlytoward a blunt apex from the pitch-line of the gear 17 and tracks 12 13and 22 24, having a corresponding inward bevel to match the cone endsand hold them in position against lateral thrust. By this arrangementthe lateral thrust is resisted and the lateral strain is distributed andequalized throughout the entire casing or shell.

It will be seen that the assembling of my roller-bearing is easilyaccomplished. First, the geared rings 17 are mounted on the shaft 20,and cone end 19 is riveted on each roller. Then the shell parts 10 22are placed on end,

with the threaded ends upward. The spacing-gear rings 15 25 are slippedinto place. As many rollers as desired may then be dropped into thesegears, which hold them upright in place. They may be placed so closetogether that they will almost mesh, as in Fig. 1, or farther apart, asin Fig. 4, care being taken that they are placed about equidistant inorder to obtain the best results. is apparent that the rollers will beheld in position by the idler-gears and kept equidistant as placed andwithout friction on the gears,

since the only office of the gears is to keep The gears do not bear therollers in place. any of the weight. This falls entirely on thecone-shaped tracks and roller ends. The adjustingrings 12 24: are thenscrewed into place, the bearing of the rollers being quickly adjustedwith a pointed spanner in holes 26 26 in the outer ends of rings 12 and24.

It is also apparent that I have reduced the parts of my bearing to suchsimple form that they can be cheaply cut by automatic machinery, beingwell known circular forms which are familiar to machinists.

I claim as new 1. A roller for roller-bearings comprising a conicalbearing end havinga shaft extending therefrom, an idler-gear ring onsaid shaft, and a conical ring secured on said shaft to hold saidgear-ring and form a bearing end.

2. A roller-bearing comprising rollers having conical ends which taperoutwardly, idlergears on said rollers, and a suitable casing therefor.

3. A roller-bearing comprising a suitable casing having idler-gearstherein, rollers hav ing conical ends which taper toward each end,andidler-gears on said rollers between said ends.

4. A roller-bearing comprising rollers, each having tapered ends and anintermediate roller-gear; suitable tracks for said tapered ends; andouter and inner spacing-gears in mesh with the roller-gears.

5. A roller-bearing comprising rollers, each having tapered ends and anintermediate idler roller-gear; suitable tracks for said tapered endsand'outer and inner spacing-gears in mesh with the roller-gears.

6. A roller-bearing comprising rollers, each having tapered ends and anintermediate roller-gear; suitable tracks for said tapered ends andidler outer and inner spacing-gears in mesh with the roller-gears.

7. A roller-bearing comprising rollers, each having tapered ends andanintermediate idler roller-gear; suitable tracks for said tapered ends;and idler outer and innerspacing-gears in mesh with the roller-gears.

8. A roller-bearing comprising rollers, each having tapered ends and anintermediate roller-gear; suitable tracks for said tapered ends; outerand inner spacing-gears in mesh with the roller-gears; and means foradjusting the position of one of the tracks relative to another.

9. A roller-bearing comprising rollers havin g conical ends which taperoutwardly, idlergears on said rollers, a casinghaving idlergears thereinto mesh in said roller-gears, fixed bevel-tracks at one end of saidcasing and adjustable beveled tracks at the other end for said rollers.

10. A roller-bearing comprising a casing composed of outer and innertubular-shaped parts, opposite fixed tracks on one end of said parts andadjustable tracks on the other end, the bevel on said tracks contractingoutwardly, idler-gear rings between said tracks, rollers having conicalends which taper outwardly at the angle of said tracks, and idlergearson said rollers between said conical ends to mesh in said gear-rings.

11. A roller-bearing comprising an outer casing; a beveled trackadjustably secured within said casing; a beveled track at the oppositeend of the casing; an inner bearing comprising an adjustable beveledtrack and an opposing beveled track; rollers tapering at the endsarranged between the tracks; intermediate gears on the rollers; andouter and inner spacer-gears meshing with said rollerrgears.

12. A roller-bearing comprising the outer shell 10 having the integralbeveled track at one end, and the internal screw-threads at the oppositeend; the threaded beveled track 12 arranged in the screw-threads of theshell; the spacing-gear 15 arranged as an idler in the casing; the roll18 having tapered ends adapted to the beveled tracks of the casing, saidroll being provided with the roller-gear17intermediate the tapered ends,said gear being arranged as an idler on said roll; .the sleeve 22 havingthe integral beveled track thereon; the adj ustable track 24 at theopposite end of said sleeve and the spacingear 25, said spacing-gearbeing arranged as an idler on the sleeve 22.

13. A roller-bearing comprising rollers,each' being provided with agear; suitable tracks for said rollers; outer and inner spacing-gears inmesh with the gearson the rollers, certain of said gears being arrangedas idlers.

In testimony whereof I have signed my name to this specification in thepresence of two subscribing witnesses.

AMOS CLINTON STILSON.

Witnesses:

A. W. KETTLE, S. A. BALDWIN.

